Trick or Treat
Smell my feet
Give me something good to eat!

On the night of October 31, they celebrated Samhain, when it was believed that the ghosts of the dead returned to earth. In addition to causing trouble and damaging crops, Celts thought that the presence of the otherworldly spirits made it easier for the Druids, or Celtic priests, to make predictions about the future. For a people entirely dependent on the volatile natural world, these prophecies were an important source of comfort and direction during the long, dark winter.
Quotation from Halloween: Ancient Origins (History.com)

It is a magical interval when the mundane laws of time and space are temporarily suspended, and the Thin Veil between the worlds is lifted. Communicating with ancestors and departed loved ones is easy at this time, for they journey through this world on their way to the Summerlands.
Quotation about Samhain or Halloween (Wicca.com)